12525455 has 8 divisors (see below), whose sum is σ = 15684192. Its totient is φ = 9584608.

The previous prime is 12525451. The next prime is 12525463. The reversal of 12525455 is 55452521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12525455 - 2² = 12525451 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12525451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54344 + ... + 54573.

It is an arithmetic number, because the mean of its divisors is an integer number (1960524).

Almost surely, 2^12525455 is an apocalyptic number.

12525455 is a deficient number, since it is larger than the sum of its proper divisors (3158737).

12525455 is a wasteful number, since it uses less digits than its factorization.

12525455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108945.

The product of its digits is 10000, while the sum is 29.

The square root of 12525455 is about 3539.1319557202. The cubic root of 12525455 is about 232.2368703914.

Adding to 12525455 its reverse (55452521), we get a palindrome (67977976).

The spelling of 12525455 in words is "twelve million, five hundred twenty-five thousand, four hundred fifty-five".